title: Two first cousins with spondyloepiphyseal dysplasia tarda (X linked recessive form), one also with poikiloderma atrophicans vasculare progressing to lymphocytic lymphoma.
mesh_terms: D000328:Adult; D005260:Female; D005808:Genes, Recessive; D008040:Genetic Linkage; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000235:genetics*; D008297:Male; D009085:Mucopolysaccharidosis IV / Q000235:genetics*; D010375:Pedigree; D012871:Skin Diseases / Q000235:genetics*; D012878:Skin Neoplasms / Q000235:genetics*; D014960:X Chromosome